| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Tabor | city | Iowa | United States | 40.89833 | -95.67111 | 1204 | 980 |
| Taintor | city | Iowa | United States | 41.50111 | -92.73833 | 898 | 735 |
| Talleyrand | city | Iowa | United States | 41.295 | -91.965 | 751 | 681 |
| Talmage | city | Iowa | United States | 41.02694 | -94.11167 | 1092 | 646 |
| Tama | city | Iowa | United States | 41.96667 | -92.57667 | 836 | 4221 |
| Tara | city | Iowa | United States | 42.50028 | -94.29556 | 1141 | 782 |
| Tarkio City historical | city | Iowa | United States | 40.7325 | -95.19528 | 1072 | 518 |
| Taylor | city | Iowa | United States | 41.27139 | -95.51972 | 1148 | 931 |
| Taylorsville | city | Iowa | United States | 42.76722 | -91.64667 | 1217 | 799 |
| Teeds Grove | city | Iowa | United States | 42.01167 | -90.2475 | 751 | 944 |
| Temple Hill | city | Iowa | United States | 42.22583 | -90.97611 | 856 | 708 |
| Templeton | city | Iowa | United States | 41.91833 | -94.9425 | 1459 | 1237 |
| Tenmile | city | Iowa | United States | 41.94556 | -90.33389 | 787 | 781 |
| Tennant | city | Iowa | United States | 41.59361 | -95.44083 | 1348 | 1500 |
| Tenville | city | Iowa | United States | 41.00861 | -94.99194 | 1108 | 482 |
| Terre Haute | city | Iowa | United States | 40.68333 | -93.86639 | 918 | 594 |
| Terril | city | Iowa | United States | 43.30583 | -94.97139 | 1450 | 1581 |
| Thayer | city | Iowa | United States | 41.02806 | -94.05056 | 1112 | 618 |
| Thirty | city | Iowa | United States | 40.69611 | -92.8675 | 1020 | 4684 |
| Thomasville | city | Iowa | United States | 42.75389 | -91.58083 | 1138 | 934 |
| Thompson | city | Iowa | United States | 43.37139 | -93.77333 | 1272 | 674 |
| Thompson Corner | city | Iowa | United States | 43.26639 | -91.23056 | 1174 | 593 |
| Thor | city | Iowa | United States | 42.68806 | -94.04917 | 1151 | 540 |
| Thornburg | city | Iowa | United States | 41.45472 | -92.33556 | 912 | 766 |
| Thornton | city | Iowa | United States | 42.94472 | -93.38444 | 1210 | 725 |
| Thorpe | city | Iowa | United States | 42.56611 | -91.44917 | 1010 | 1407 |
| Thoten | city | Iowa | United States | 43.30972 | -91.63972 | 1164 | 822 |
| Thurman | city | Iowa | United States | 40.82 | -95.7475 | 971 | 905 |
| Ticonic | city | Iowa | United States | 42.16611 | -95.95222 | 1082 | 774 |
| Tiffin | city | Iowa | United States | 41.70583 | -91.66278 | 685 | 10856 |
| Tileville | city | Iowa | United States | 41.34806 | -93.93583 | 951 | 1850 |
| Tilton | city | Iowa | United States | 41.50972 | -92.35222 | 902 | 863 |
| Tingley | city | Iowa | United States | 40.85278 | -94.195 | 1338 | 302 |
| Tioga | city | Iowa | United States | 41.29694 | -92.42222 | 862 | 995 |
| Tipperary | city | Iowa | United States | 41.11361 | -93.15417 | 964 | 542 |
| Tipton | city | Iowa | United States | 41.76972 | -91.12778 | 849 | 3098 |
| Titonka | city | Iowa | United States | 43.23694 | -94.04111 | 1184 | 486 |
| Titu | city | Iowa | United States | 41.275 | -91.79167 | 754 | 859 |
| Toddville | city | Iowa | United States | 42.09917 | -91.71667 | 767 | 7129 |
| Toeterville | city | Iowa | United States | 43.44222 | -92.89028 | 1210 | 725 |
| Togo historical | city | Iowa | United States | 40.62056 | -93.88528 | 1079 | 546 |
| Toledo | city | Iowa | United States | 41.99556 | -92.57667 | 951 | 4221 |
| Toolesboro | city | Iowa | United States | 41.14194 | -91.06194 | 547 | 1348 |
| Toronto | city | Iowa | United States | 41.905 | -90.86389 | 751 | 935 |
| Tower Station historical | city | Iowa | United States | 41.02694 | -92.87278 | 800 | 894 |
| Tracy | city | Iowa | United States | 41.27639 | -92.87528 | 705 | 1043 |
| Traer | city | Iowa | United States | 42.19361 | -92.46528 | 951 | 843 |
| Traxler historical | city | Iowa | United States | 41.02778 | -91.58056 | 666 | 4792 |
| Trenton | city | Iowa | United States | 41.06167 | -91.63722 | 705 | 1016 |
| Treynor | city | Iowa | United States | 41.2325 | -95.61278 | 1210 | 1013 |
| Triboji Beach | city | Iowa | United States | 43.42694 | -95.17444 | 1400 | 2338 |
| Tripoli | city | Iowa | United States | 42.80806 | -92.25806 | 1049 | 1021 |
| Troy | city | Iowa | United States | 40.74861 | -92.2025 | 849 | 671 |
| Troy Mills | city | Iowa | United States | 42.29 | -91.68222 | 826 | 1351 |
| Troy historical | city | Iowa | United States | 41.03667 | -93.42556 | 879 | 397 |
| Truesdale | city | Iowa | United States | 42.72917 | -95.1825 | 1381 | 2007 |
| Truro | city | Iowa | United States | 41.20972 | -93.84639 | 1076 | 643 |
| Turin | city | Iowa | United States | 42.01944 | -95.96611 | 1046 | 513 |
| Turkey River | city | Iowa | United States | 42.70611 | -91.02583 | 803 | 910 |
| Turner historical | city | Iowa | United States | 41.70222 | -92.81778 | 948 | 1489 |
| Tuskeego | city | Iowa | United States | 40.66667 | -93.98389 | 1145 | 757 |
| Twilight Trailer Court | city | Iowa | United States | 42.99861 | -96.06722 | 1400 | 6175 |
| Twin Pine Mobile Home Park | city | Iowa | United States | 41.21278 | -92.425 | 869 | 731 |
| Twin Springs | city | Iowa | United States | 43.12528 | -91.85833 | 1177 | 1016 |
| Twin Springs | city | Iowa | United States | 42.51528 | -90.84028 | 843 | 2249 |
| Twin Springs | city | Iowa | United States | 42.13194 | -90.28361 | 646 | 1088 |
| Twin View Heights | city | Iowa | United States | 41.81056 | -91.57306 | 748 | 2138 |
| Tyrone | city | Iowa | United States | 40.97778 | -92.94639 | 843 | 424 |
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